* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* background-color: blue; */
}

.container{
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

section{
  position: relative;
  flex: 1;
  z-index: -999;
  overflow: hidden;
}

ul {
  list-style: none;
}

input {
  border: none;
  outline: nine;
  background: none;
}

input:focus{
  border: none;
}